Shielding structure for cable connector, and cable connector
By using a combined structure of shielding housing, limiting parts and elastic conductive parts in the cable connector, the problem of difficult to achieve reliable electrical connection between metal shielding sheets in the groundless high-speed bare wire cable connector is solved. The stability and cost reduction of signal transmission are achieved.
Patent Information
- Application Number
- PCT/CN2024/090369
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2023-08-08
- Filing Date
- 2024-04-28
- Publication Date
- 2025-02-13
AI Technical Summary
It is difficult to achieve reliable electrical connection between metal shields in groundless high-speed bare wire cable connectors, laser welding is costly and complex, and tin soldering also has cost and complexity problems.
A shielding structure including a shielding shell, a limiting member and an elastic conductive member is adopted, and a signal return and stable connection are achieved through elastic contact with the shielding layer of the cable through the elastic conductive member.
It realizes the stability of signal transmission without welding, reduces cost and operational complexity, and improves connection reliability.
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Figure CN2024090369_13022025_PF_FP_ABST
Abstract
Description
Shielding structure of cable connector and cable connector
[0001] CROSS-REFERENCE TO RELATED APPLICATIONS
[0002] This application claims priority to a Chinese patent application filed with the Patent Office of China on August 8, 2023, with application number 202310997007.4 and invention name “Shielding structure of cable connector and cable connector”. The entire contents of the Chinese patent application are incorporated herein by reference. Technical Field
[0003] The present application belongs to the technical field of communication equipment, and specifically relates to a shielding structure of a cable connector and a cable connector. Background Art
[0004] With the rapid development of communication equipment, cable connectors have become the main components of high-speed signal transmission in the next generation of switches. Groundless high-speed bare wires have become an important part of cable connectors due to their technical advantages such as high transmission rate, small size and low production cost.
[0005] Compared to ground-wire-based systems, groundless high-speed bare cables primarily use aluminum or copper foil on the outside of the cable as a reference return ground. Because the foil is very thin and easily penetrated by lasers, it's difficult to solder using lasers. Soldering, an alternative method, is relatively expensive and complex. Therefore, ensuring a reliable electrical connection between the foil and the metal shielding of the cable connector remains a major challenge for current groundless high-speed bare cables.
[0006] Summary of the Invention
[0007] An embodiment of the present application provides a shielding structure of a cable connector, which includes: a shielding shell, a limiting member and an elastic conductive member; the limiting member and the elastic conductive member are both arranged in the shielding shell, and the limiting member and the elastic conductive member are arranged correspondingly in a first direction, and the elastic conductive member is used to elastically contact the shielding layer of the cable limited by the limiting member.
[0008] An embodiment of the present application further provides a cable connector, comprising the shielding structure of the above-mentioned cable connector. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] FIG1 is a schematic structural diagram of a shielding structure disclosed in an embodiment of the present application;
[0010] FIG2 is a schematic structural diagram of a shielding structure and a cable assembly disclosed in an embodiment of the present application;
[0011] FIG3 is a schematic structural diagram of a first shielding sheet, a position-limiting member, an elastic conductive member, and a cable disclosed in an embodiment of the present application;
[0012] FIG4 is a schematic structural diagram of a shielding structure and a cable assembly without the second shielding sheet disclosed in an embodiment of the present application;
[0013] FIG5 is a schematic structural diagram of a shielding structure, a cable, and a cable assembly without the second shielding sheet disclosed in an embodiment of the present application;
[0014] FIG6 is a schematic structural diagram of a first shielding sheet, a second shielding sheet, a cable, and a cable assembly disclosed in an embodiment of the present application;
[0015] FIG7 is a schematic diagram of the structure of a cable disclosed in an embodiment of the present application;
[0016] FIG8 is a schematic structural diagram of a cable connector disclosed in an embodiment of the present application.
[0017] Explanation of the accompanying drawings: 100-shielding structure; 110-shielding shell; 111-first shielding plate; 1111-first through hole; 1112-second through hole; 1113-first fixing hole; 112-second shielding plate; 1121-second fixing hole; 113-connecting plate; 114-shielding space; 120-limiting member; 121-first limiting protrusion; 122-second limiting protrusion; 123-limiting space; 130-elastic conductive member; 131-first end; 132-second end; 200-cable; 210-shielding layer; 220-core wire; 300-cable assembly; 400-connector shell. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.
[0019] The terms "first," "second," and the like in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of this application can be implemented in an order other than that illustrated or described herein, and that the objects distinguished by "first," "second," and the like are generally of the same type, and do not limit the number of objects; for example, the first object can be one or more. In addition, the term "and / or" in the specification and claims refers to at least one of the connected objects, and the character " / " generally indicates that the objects connected are in an "or" relationship.
[0020] The embodiments of the present application are described in detail below through specific embodiments and their application scenarios in conjunction with the accompanying drawings.
[0021] With reference to Figures 1 to 8, an embodiment of the present application discloses a shielding structure 100 for a cable connector, which is applied to the connection area between a cable 200 and a cable connector. The cable 200 may be a groundless cable having a shielding layer 210. The shielding layer 210 may be a metal layer, such as an aluminum foil layer, a copper foil layer, or the like. Of course, it may also be in other forms. The specific material of the shielding layer 210 is not specifically limited here, as long as it can achieve a signal transmission effect. Furthermore, the cable 200 may also include a core wire 220, through which an electrical connection can be achieved. The disclosed shielding structure 100 includes a shielding shell 110, a stopper 120, and an elastic conductive member 130.
[0022] The shielding shell 110 is the foundation of the shielding structure 100 and provides a mounting base for components such as the position-limiting member 120 and the elastic conductive member 130. In some embodiments, the position-limiting member 120 and the elastic conductive member 130 are both disposed within the shielding shell 110 to facilitate their installation.
[0023] Exemplarily, the limit member 120 and the elastic conductive member 130 are independent of the shielding shell 110, that is, the limit member 120, the elastic conductive member 130 and the shielding shell 110 are manufactured independently, and the limit member 120 and the elastic conductive member 130 are later fixed to the inner wall of the shielding shell 110 to ensure the stability of the limit member 120 and the elastic conductive member 130. This method can reduce the manufacturing difficulty.
[0024] Of course, the limiting member 120 and the elastic conductive member 130 can also be manufactured integrally with the shielding shell 110 , that is, the limiting member 120 and the elastic conductive member 130 are formed together when the shielding shell 110 is manufactured. This method can shorten the manufacturing cycle.
[0025] To ensure that the cable 200 can accurately and stably contact the elastic conductive member 130, in the embodiment of the present application, the limiting member 120 and the elastic conductive member 130 are arranged correspondingly in the first direction. In this way, the elastic conductive member 130 can elastically contact the shielding layer 210 of the cable 200 limited by the limiting member 120. On the one hand, the good contact between the elastic conductive member 130 and the shielding layer 210 can be ensured. On the other hand, the cable 200 can be ensured not to move at will under the limiting action of the limiting member 120, thereby limiting the shielding layer 210 of the cable 200 to be in good contact with the elastic conductive member 130 at all times.
[0026] It should be noted here that the above-mentioned first direction can be the extension direction of a certain length of the cable 200 in the shielding shell 110, that is, one end of the cable 200 extends into the shielding shell 110 and then extends along the first direction, and is limited by the limiting member 120 and is in good contact with the elastic conductive member 130.
[0027] In some embodiments, the shielding shell 110 can be a metal shell to perform functions such as conduction and signal shielding; the limiting member 120 can be made of metal or non-metallic material, as long as it can limit the outer wall of the cable 200, and the specific material is not limited. In addition, the limiting member 120 can be a rigid member or an elastic member; the elastic conductive member 130 can be a metal spring, of course, it can also be a non-metallic conductive structure, as long as it has elastic and conductive properties, and the specific form is not limited.
[0028] In an embodiment of the present application, the elastic connector can elastically contact the shielding layer 210 of the cable 200, thereby achieving a reliable connection between the shielding layer 210 and the shielding structure 100, realizing signal backflow, and thereby ensuring the stability of signal transmission; the limiting member 120 can limit the cable 200 to prevent the cable 200 from moving at will and affecting its good contact with the elastic conductive member 130; the shielding shell 110 can shield the electrical connection of the cable 200.
[0029] Based on the above settings, compared with laser welding or tin welding processes, the cable 200 and the shielding structure 100 in the embodiment of the present application do not require welding, but instead use elastic conductive parts 130 for elastic contact, so that the shielding layer 210 will not be penetrated by the laser, thereby ensuring the integrity of the shielding layer 210. Compared with the tin welding process, it has lower costs and reduces operational complexity, so that the connection method in the embodiment of the present application has more obvious technical advantages compared with laser welding or tin welding methods.
[0030] In some embodiments, the limiting member 120 may include a limiting groove extending along the first direction, and a limiting space 123 may be formed in the limiting groove to accommodate and limit the cable 200. For example, the width of the limiting groove is consistent with the width of the groove bottom, that is, the size of the limiting groove is uniform. This design can facilitate the placement of the cable 200 into the limiting groove. Of course, the width of the limiting groove can also be slightly smaller than the width of the groove bottom. This design can provide a certain clamping effect on the cable 200 through the edge of the groove, and to a certain extent, can effectively alleviate the problem of the cable 200 being out of the limiting groove.
[0031] Under actual working conditions, the width of the limit groove can be made equal to or slightly smaller than the diameter of the cable 200. This design can squeeze the outer wall of the cable 200 through the side wall of the limit groove, thereby ensuring the stability of the cable 200 and preventing the cable 200 from escaping the limit groove.
[0032] Of course, the width of the limiting groove can also be made slightly larger than the diameter of the cable 200. This design can form a certain gap between the outer wall of the cable 200 and the side wall of the limiting groove. In this way, it can not only play a limiting role, but also facilitate the placement or removal of the cable 200.
[0033] Optionally, in the first direction, the limiting groove is located on at least one side of the elastic conductive member 130. Specifically, the limiting groove can be located upstream of the elastic conductive member 130 along the extension direction of the cable 200 into the shielding shell 110. In this way, the cable 200 can be first limited by the limiting groove, and then the shielding layer 210 of the cable 200 can be elastically contacted with the elastic conductive member 130. Alternatively, the limiting groove can be located downstream of the elastic conductive member 130 along the extension direction of the cable 200 into the shielding shell 110. In this way, the shielding layer 210 of the cable 200 can be elastically contacted with the elastic conductive member 130, and then the cable 200 can be limited by the limiting groove. Alternatively, the limiting members 120 can be provided upstream and downstream of the elastic conductive member 130 along the extension direction of the cable 200 into the shielding shell 110. This design can limit the cable 200 at both ends of the elastic conductive member 130, thereby improving the limiting stability of the cable 200.
[0034] In addition, the number of limiting grooves on each side of the elastic conductive member 130 can be one, two or more, which can be selected according to the actual working conditions. The more limiting grooves there are, the better the limiting effect on the cable 200 and the higher the stability of the cable 200.
[0035] Referring to Figure 1 , in some embodiments, the inner wall of the shielding shell 110 is provided with a first limiting protrusion 121 and a second limiting protrusion 122. The first limiting protrusion 121 and the second limiting protrusion 122 are spaced apart in a second direction, wherein the second direction is perpendicular to the first direction. The first limiting protrusion 121 and the second limiting protrusion 122 each protrude from the inner wall of the shielding shell 110, and a limiting space 123 is formed therebetween to accommodate the cable 200, thereby limiting the cable 200 in the second direction.
[0036] In the embodiment of the present application, the first limiting protrusion 121 and the second limiting protrusion 122 serve as two side walls of the limiting groove in the second direction, and are respectively used to contact or form a gap with the outer walls on both sides of the cable 200 in the second direction.
[0037] Based on the above setting, the outer walls on both sides of the cable 200 can be limited in the second direction by the first limiting protrusion 121 and the second limiting protrusion 122 to prevent the cable 200 from moving arbitrarily in the second direction and affecting the good elastic contact between the shielding layer 210 and the elastic conductive part 130.
[0038] When the first limiting protrusion 121 and the second limiting protrusion 122 are in contact with the outer walls on both sides of the cable 200 in the second direction respectively, the stability of the cable 200 can be guaranteed; when at least one of the first limiting protrusion 121 and the second limiting protrusion 122 forms a gap with the outer walls on both sides of the second cable 200 in the second direction, although the cable 200 can move slightly in the second direction, it hardly affects the good elastic contact between the shielding layer 210 and the elastic conductive part 130, and it is also beneficial for the cable 200 to be placed in or taken out of the limiting groove.
[0039] Exemplarily, at least one of the first limiting protrusion 121 and the second limiting protrusion 122 may be an elastic component, which may be elastically deformed when squeezed by the cable 200 , so as to facilitate the cable 200 to move into or out of the limiting space 123 .
[0040] In some embodiments, the first limiting protrusion 121 and the second limiting protrusion 122 are respectively integrally provided with the shielding shell 110, that is, when the shielding shell 110 is manufactured, the first limiting protrusion 121 and the second limiting protrusion 122 are formed at the same time, for example, by using a manufacturing process such as casting; it is also possible that the first limiting protrusion 121 and the second limiting protrusion 122 are directly formed by machining after the shielding shell 110 is manufactured, for example, by using a machining, bending and other processes to form the first limiting protrusion 121 and the second limiting protrusion 122.
[0041] In other embodiments, after the shielding shell 110 is manufactured, the independent first limiting protrusion 121 and the second limiting protrusion 122 can be fixedly connected to the shielding shell 110, for example, by welding, bonding, riveting, screwing, etc.
[0042] In a more specific embodiment, the side wall of the shielding shell 110 can be cut, specifically, two relative connecting pieces can be cut along a concave trajectory, and then the two connecting pieces are bent toward the inside of the shielding shell 110 to form a first limiting protrusion 121 and a second limiting protrusion 122, respectively; at the same time, a first through hole 1111 is formed on the side wall of the shielding shell 110 after bending.
[0043] In some embodiments, the elastic conductive member 130 may be a metal shrapnel, comprising a first end 131 and a second end 132 disposed opposite each other along a first direction, as shown in FIG1 , wherein the first end 131 is connected to the shielding shell 110, and the second end 132 is freely disposed and configured to elastically contact the shielding layer 210. Thus, the first end 131 is connected to the shielding shell 110 to secure the elastic conductive member 130, while the second end 132 is in elastic contact with the shielding layer 210 to ensure good electrical conductivity. Furthermore, the elastic effect can also ensure good contact between the elastic conductive member 130 and the shielding layer 210.
[0044] For example, the second end 132 of the metal dome can be bent to form a convex portion, which is used to contact the shielding layer 210 to improve the contact quality with the shielding layer 210. In addition, the cross-sectional area of the second end 132 of the metal dome can also be larger than the cross-sectional area of the first end 131 to increase the contact area between the metal dome and the shielding layer 210, thereby ensuring good contact quality.
[0045] Optionally, the metal shrapnel and the shielding shell 110 can be integrally provided. In this case, the shielding shell 110 is also made of metal. That is, the metal shrapnel can be formed together when the shielding shell 110 is manufactured, for example, by machining, bending and other processes.
[0046] In some other embodiments, after the shielding shell 110 is manufactured, the independent metal springs may be fixedly connected to the shielding shell 110 , for example, by welding, bonding, riveting, screwing, etc.
[0047] In a more specific embodiment, the shielding shell 110 can be cut, specifically, the metal spring piece can be cut along a concave track. At the same time, after cutting off part of the material, a second through hole 1112 will be formed on the side wall of the shielding shell 110. Due to the existence of the second through hole 1112, the metal spring piece can be elastically deformed toward the cable 200 or away from the cable 200, so as to maintain good elastic contact with the shielding layer 210.
[0048] In other embodiments, the elastic conductive member 130 may also be conductive foam or conductive rubber, and the conductive foam or conductive rubber is elastically and electrically connected between the shielding layer 210 and the shielding shell 110. Considering that the conductive foam or conductive rubber is both conductive and elastic, when the cable 200 is placed in the shielding structure 100, the limiting member 120 can limit the cable 200. In addition, the conductive foam or conductive rubber is in elastic contact with the shielding layer 210 and the shielding shell 110 of the cable 200, respectively, ensuring good contact and further ensuring good conductivity.
[0049] Taking into account that multiple bundles of cables 200 are connected to the shielding structure 100 at the same time, the shielding structure 100 in the embodiment of the present application may include multiple groups of limiting members 120 and multiple elastic conductive members 130, wherein the multiple groups of limiting members 120 and the multiple elastic conductive members 130 are respectively arranged at intervals in a second direction perpendicular to the first direction, and each group of limiting members 120 and the corresponding elastic conductive members 130 are arranged correspondingly in the first direction.
[0050] Based on the above configuration, multiple bundles of cables 200 can be placed in multiple sets of limiting members 120 respectively, and the multiple bundles of cables 200 can be limited and fixed by the multiple sets of limiting members 120 respectively to ensure that the multiple bundles of cables 200 will not move arbitrarily or detach from the shielding structure 100; at the same time, the multiple bundles of cables 200 are also in contact with the multiple elastic conductive members 130 respectively to achieve elastic and electrical connection to realize signal return.
[0051] In other embodiments, multiple cables 200 may share a common elastic conductive member 130. In this case, the elastic conductive member 130 is relatively large and can simultaneously contact multiple cables 200. This method can also achieve electrical connection to facilitate signal return.
[0052] Furthermore, each group of limiting members 120 includes at least one limiting member 120, and the specific number can be set according to actual working conditions. To improve limiting stability, each group can include multiple limiting members 120, and the multiple limiting members 120 are arranged along the first direction. In this case, multiple limiting members 120 can simultaneously limit and fix the same bundle of cables 200, thereby ensuring the stability of the cables 200. Of course, when the space in the shielding shell 110 is relatively cramped, a single limiting member 120 can also be provided to limit and fix a bundle of cables 200. In this case, both space requirements can be met and limiting stability can be ensured.
[0053] In addition, when each group includes multiple limit members 120, the multiple limit members 120 and the corresponding elastic conductive members 130 are arranged along the first direction. At this time, the elastic conductive member 130 can be located between two adjacent limit members 120. Of course, it can also be located at one end of the multiple limit members 120. The specific arrangement method can be selected according to the actual working conditions.
[0054] 2 and 3 , in some embodiments, the shielding shell 110 may include a first shielding sheet 111, a second shielding sheet 112, and a connecting plate 113. The first shielding sheet 111 and the second shielding sheet 112 are spaced apart along a third direction, and the connecting plate 113 is connected between the first shielding sheet 111 and the second shielding sheet 112. The first shielding sheet 111, the second shielding sheet 112, and the connecting plate 113 may enclose a shielding space 114. The connection end of the cable 200 extends into the shielding space 114, thereby providing signal shielding.
[0055] In addition, when the end of the cable assembly 300 is connected to the shielding shell 110 , the end also extends into the shielding space 114 to perform a signal shielding function.
[0056] Exemplarily, the first shielding sheet 111 and the second shielding sheet 112 are both rectangular plates, and the connecting plate 113 is a strip-shaped plate. The first shielding sheet 111 and the second shielding sheet 112 are arranged parallel to each other and spaced a certain distance apart. The first shielding sheet 111 and the second shielding sheet 112 are connected at both ends in the second direction by the connecting plate 113, and the connecting plate 113 provides support. This arrangement forms a rectangular shielding shell 110, with both ends of the shielding shell 110 in the first direction extending through it, so that the cable 200 can be extended from one end and the cable assembly 300 can be extended from the other end, achieving electrical connection and signal return.
[0057] Considering that the limiting member 120 is disposed within the shielding shell 110, in some embodiments, the limiting member 120 can be disposed on at least one of the first shielding sheet 111 and the second shielding sheet 112. For example, the limiting member 120 can be disposed on a side of the first shielding sheet 111 facing the second shielding sheet 112 and extend toward the second shielding sheet 112 to form a limiting space 123 that limits the cable 200. Of course, the limiting member 120 can also be disposed on a side of the second shielding sheet 112 facing the first shielding sheet 111 and extend toward the first shielding sheet 111 to form a limiting space 123 that limits the cable 200.
[0058] In order to further improve the limiting stability of the cable 200, the limiting member 120 can also be simultaneously provided on the side of the first shielding piece 111 facing the second shielding piece 112, and on the side of the second shielding piece 112 facing the first shielding piece 111. In this way, when the cable 200 extends into the shielding shell 110, the cable 200 can be limited at the same time by the limiting member 120 on the first shielding piece 111 and the limiting member 120 on the second shielding piece 112, thereby further improving the limiting stability to prevent the cable 200 from moving at will or detaching from the shielding shell 110.
[0059] Furthermore, the limiting member 120 on the first shielding piece 111 and the limiting member 120 on the second shielding piece 112 may be arranged relative to each other in the third direction, or may be staggered, and the specific setting may be based on actual working conditions.
[0060] Considering that the elastic conductive member 130 is disposed within the shielding shell 110, in some embodiments, the elastic conductive member 130 can be disposed on at least one of the first shielding sheet 111 and the second shielding sheet 112. For example, the elastic conductive member 130 can be disposed on a side of the first shielding sheet 111 facing the second shielding sheet 112, and elastically protrude toward the second shielding sheet 112 to facilitate elastic and electrical contact with the shielding layer 210 of the cable 200; of course, the elastic conductive member 130 can also be disposed on a side of the second shielding sheet 112 facing the first shielding sheet 111, and elastically protrude toward the first shielding sheet 111 to facilitate elastic and electrical contact with the shielding layer 210 of the cable 200.
[0061] In order to further improve the contact quality between the elastic conductive member 130 and the shielding layer 210 of the cable 200, the elastic conductive member 130 can also be simultaneously provided on the side of the first shielding piece 111 facing the second shielding piece 112, and on the side of the second shielding piece 112 facing the first shielding piece 111. In this way, when the cable 200 extends into the shielding shell 110, the elastic conductive member 130 on the first shielding piece 111 and the elastic conductive member 130 on the second shielding piece 112 can simultaneously elastically and electrically contact the shielding layer 210 of the cable 200, thereby further improving the contact quality and preventing the occurrence of false connections.
[0062] Furthermore, the elastic conductive member 130 on the first shielding piece 111 and the elastic conductive member 130 on the second shielding piece 112 may be arranged relative to each other in the third direction, or may be staggered, which may be specifically set according to actual working conditions.
[0063] Referring to Figure 1 , in some more specific embodiments, the limiting member 120 and the elastic conductive member 130 are both disposed on the first shielding piece 111, while the second shielding piece 112 is configured to abut against the cable 200 that is confined within the limiting member 120. Thus, the limiting member 120, the first limiting piece, and the second shielding piece 112 can enclose a confining space 123, thereby fully confining the cable 200 within the confining space 123 and ensuring the stability of the cable 200.
[0064] 4 and 5 , to accommodate the connection of multiple bundles of cables 200 to the shielding structure 100, the shielding shell 110 may include multiple connecting plates 113 spaced apart in a second direction perpendicular to the first direction. An accommodating channel is formed between each two adjacent connecting plates 113, the first shielding sheet 111, and the second shielding sheet 112. The accommodating channel is used to insert the cable assembly 300. Based on this arrangement, multiple cable assemblies 300 can be inserted through the multiple accommodating channels of the shielding shell 110, thereby achieving mechanical and electrical connection of the multiple cable assemblies 300.
[0065] Correspondingly, the shielding structure 100 may include multiple groups of limiting members 120 and multiple elastic conductive members 130. Each group of limiting members 120, each elastic conductive member 130 and each accommodating channel are arranged correspondingly in the first direction. In this way, each bundle of cables 200 limited by each group of limiting members 120 can be arranged correspondingly with the cable assembly 300 to facilitate connection.
[0066] It should be noted here that the specific structure of the cable assembly 300 and its connection with the shielding structure 100, cable 200 and other components can be referred to in related technologies and will not be described in detail here.
[0067] 4 to 6 , in some embodiments, the first shielding sheet 111 may be provided with a first fixing hole 1113, and the second shielding sheet 112 may be provided with a second fixing hole 1121, with the second fixing hole 1121 being provided corresponding to the first fixing hole 1113. One end of the connecting plate 113 in the third direction passes through the first fixing hole 1113 and is fixedly connected to the first shielding sheet 111, and the other end of the connecting plate 113 in the third direction passes through the second fixing hole 1121 and is fixedly connected to the second shielding sheet 112. With this arrangement, the connecting plate 113 can achieve a firm and stable fixed connection between the first shielding sheet 111 and the second shielding sheet 112, thereby providing protection for the ends of the cables 200 and the ends of the cable assembly 300 enclosed in the shielding space 114.
[0068] Exemplarily, the connecting plate 113 can be fixed to the first shielding piece 111 and the second shielding piece 112 by welding respectively. Of course, other fixing methods can also be used, such as plugging, snapping, riveting, screwing, bonding, etc. As long as the connection firmness can be guaranteed, the specific method is not limited.
[0069] Based on the above-mentioned shielding structure 100, the present application also discloses a cable connector. Referring to Figures 1 to 8 , the disclosed cable connector includes the above-mentioned shielding structure 100. It should be noted that the specific structure and operating principle of the cable connector can be referenced in related art and will not be elaborated on in detail here.
[0070] In the embodiment of the present application, the assembly process is as follows:
[0071] The first step is to assemble the first shielding sheet 111, the connecting plate 113 and the cable assembly 300;
[0072] Step 2: Strip the outer sheath of the cable 200 to expose the shielding layer 210, then place the cable 200 on the first shielding sheet 111 and secure it in place using the stopper 120;
[0073] Step 3: Install the second shielding sheet 112 to the connecting plate 113, and then fix the connecting plate 113 to the first shielding sheet 111 and the second shielding sheet 112 respectively, and press the cable 200 with the second shielding sheet 112 so that the shielding layer 210 of the cable 200 can be in good contact with the elastic conductive member 130;
[0074] In the fourth step, the assembled cable 200, shielding structure 100 and cable assembly 300 are installed into the cable connector housing 400 to form a completed cable connector.
[0075] To sum up, the embodiment of the present application can make the shielding layer 210 of the cable 200 reliably electrically connected to the shielding structure 100 through the elastic conductive part 130, realize signal backflow, thereby ensuring the stability of high-speed signal transmission, and thus making the cable 200 without a ground wire have a wide range of application scenarios in cable connectors. Compared with the cable 200 with a ground wire, the cable connector without a ground wire has a lower cost, and the cable 200 is lighter and smaller in size, making it more suitable for application in switch systems.
[0076] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of this application, ordinary technicians in this field can also make many forms without departing from the purpose of this application and the scope of protection of the claims, all of which are within the protection of this application.
Claims
1. A shielding structure of a cable connector, the shielding structure (100) comprising: A shielding shell (110), a limiting member (120) and an elastic conductive member (130); The limiting member (120) and the elastic conductive member (130) are both arranged in the shielding shell (110), and the limiting member (120) and the elastic conductive member (130) are arranged correspondingly in a first direction, and the elastic conductive member (130) is used to elastically contact with a shielding layer (210) of a cable (200) limited by the limiting member (120).
2. The shielding structure according to claim 1, wherein: The limiting member (120) comprises a limiting groove extending along the first direction; In the first direction, the limiting groove is located on at least one side of the elastic conductive member (130).
3. The shielding structure according to claim 2, wherein: The inner wall of the shielding shell (110) is provided with a first limiting protrusion (121) and a second limiting protrusion (122) which are arranged at intervals in a second direction perpendicular to the first direction; The first limiting protrusion (121) and the second limiting protrusion (122) serve as two side walls of the limiting groove in the second direction, and are respectively used to contact or form a gap with the outer walls on both sides of the cable (200) in the second direction.
4. The shielding structure according to claim 3, wherein: The first limiting protrusion (121) and the second limiting protrusion (122) are respectively provided integrally with the shielding shell (110).
5. The shielding structure according to claim 1, wherein: The elastic conductive member (130) is a metal spring, and the metal spring comprises a first end (131) and a second end (132) arranged opposite to each other along the first direction; The first end (131) is connected to the shielding shell (110), and the second end (132) is freely arranged and used to elastically contact with the shielding layer (210).
6. The shielding structure according to claim 5, wherein: The metal spring sheet is integrally arranged with the shielding shell (110).
7. The shielding structure according to claim 1, wherein: The elastic conductive member (130) is conductive foam or conductive rubber; The conductive foam or the conductive rubber is elastically and electrically connected between the shielding layer (210) and the shielding shell (110).
8. The shielding structure according to claim 1, wherein: The shielding structure (100) comprises a plurality of groups of the limiting members (120) and a plurality of the elastic conductive members (130); A plurality of groups of the limiting members (120) and a plurality of the elastic conductive members (130) are respectively arranged at intervals in a second direction perpendicular to the first direction, and each group of the limiting members (120) and the corresponding elastic conductive member (130) are arranged correspondingly in the first direction; Each group of the limiting members (120) comprises at least one limiting member (120).
9. The shielding structure according to claim 1, wherein: The shielding shell (110) comprises a first shielding sheet (111), a second shielding sheet (112) and a connecting plate (113); The first shielding sheet (111) and the second shielding sheet (112) are arranged at intervals in a third direction, and the connecting plate (113) is connected between the first shielding sheet (111) and the second shielding sheet (112); The limiting member (120) is provided on at least one of the first shielding sheet (111) and the second shielding sheet (112); The elastic conductive member (130) is disposed on at least one of the first shielding sheet (111) and the second shielding sheet (112).
10. The shielding structure according to claim 9, wherein: The limiting member (120) and the elastic conductive member (130) are both arranged on the first shielding sheet (111), and the second shielding sheet (112) is used for abutting against the cable (200) limited by the limiting member (120).
11. The shielding structure according to claim 9, wherein: The shielding shell (110) comprises a plurality of connecting plates (113), the plurality of connecting plates (113) being arranged at intervals in a second direction perpendicular to the first direction, and an accommodating channel is formed between each two adjacent connecting plates (113), the first shielding sheet (111) and the second shielding sheet (112), and the accommodating channel is used for inserting the cable assembly (300); The shielding structure (100) comprises a plurality of groups of the limiting members (120) and a plurality of the elastic conductive members (130), and each group of the limiting members (120), each of the elastic conductive members (130) and each of the accommodating channels are correspondingly arranged in the first direction.
12. The shielding structure according to any one of claims 9 to 11, wherein: The first shielding sheet (111) is provided with a first fixing hole (1113), and the second shielding sheet (112) is provided with a second fixing hole (1121) arranged corresponding to the first fixing hole (1113); One end of the connecting plate (113) in the third direction passes through the first fixing hole (1113) and is fixedly connected to the first shielding sheet (111), and the other end of the connecting plate (113) in the third direction passes through the second fixing hole (1121) and is fixedly connected to the second shielding sheet (112).
13. A cable connector, comprising the shielding structure (100) of the cable connector according to any one of claims 1 to 12.
Citation Information
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